import { reqCartList, reqDeleteCarById, reqUpdayeCheckedById } from "@/api";
const state = {
  cartList: [],
};
const mutations = {
  GETCARTLIST(state, cartList) {
    state.cartList = cartList;
  },
};
const actions = {
  //获取购物车列表的数据
  async getCartList({ commit }) {
    let result = await reqCartList();
    console.log("result~~~~", result);
    if (result.code == 200) {
      commit("GETCARTLIST", result.data);
    }
  },
  //删除购物车某一个产品
  async deleteCartListBySkuId({ commit }, skuId) {
    let result = await reqDeleteCarById(skuId);
    if (result.code == 200) {
      return "ok";
    } else {
      return Promise.reject(new Error("删除购物车失败了！！！"));
    }
  },
  //修改购物车某一个产品选中的状态
  async updateCheckedById({ commit }, { skuId, isChecked }) {
    let result = await reqUpdayeCheckedById(skuId, isChecked);
    if (result.code == 200) {
      return "ok";
    } else {
      return Promise.reject(new Error("购物车中商品状态修改失败！"));
    }
  },
  //删除全部勾选的产品
  deleteAllCheckedCart({ dispatch, getters }) {
    //context:小仓库 commit[提交mutations修改state] getters[计算属性] dispatch【派发action】 state【当前仓库数据】
    let promiseAll = [];
    getters.cartList.cartInfoList.forEach((item) => {
      let promise = item.isChecked == 1 ? dispatch("deleteCartListBySkuId", item.skuId) : "";
      //将每一个返回的Promise添加到数组
      promiseAll.push(promise);
    });
    //只要全部的p1|p2 。。。。 都成功，返回结果即为成功
    //如果有一个失败，发挥即为失败
    return Promise.all(promiseAll)
  },
  //修改全部产品的状态
  updateAllCartIsChecked({ dispatch, state }, isChecked) {
    console.log('isChecked++++++++++>', isChecked);
    let promiseAll = [];
    state.cartList[0].cartInfoList.forEach(item => {
      let promise = dispatch('updateCheckedById', { skuId: item.skuId, isChecked })
      promiseAll.push(promise)
    })
    //最终返回结果
    return Promise.all(promiseAll)
  }
};
const getters = {
  cartList(state) {
    return state.cartList[0] || {};
  },
};
export default {
  state,
  mutations,
  actions,
  getters,
};
